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- From: "Doreen Howard" <gardendiva@charter.net>
- To: "gardenwriters-on-gardening" <gwl-g@lists.ibiblio.org>
- Subject: Re: [gwl-g] Black Spot Resistant Roses
- Date: Fri, 9 Jul 2004 12:30:00 -0500
Jacqueline Heriteau worte:
However, glacing at the list of black spot resistant roses, I find one of
them, New Dawn, is definitely not resistant to black spot in my garden.
When is "resistant" really resistant?
I think the terms resistant and tolerant often are mixed up. Resistant
means that the plant has either a genetic or cultural resistance to a
disease. Tolerant means that the plant, roses in this case, drop their
diseased foliage and grow new, disease-free leaves.
Also, I noticed that the Univ. of Kentucky researcher based his conclusions
on his climate. Although, Kentucky is hot and humid during many months,
marine climates like Jacqui's in Conn. present different plant pressures.
To sum it up, I'd use the list as a basis, but with a qualifier that the
reader's experiences may be different, depending on his or her climate.
Doreen Howard
-
Re: [gwl-g] Black Spot Resistant Roses,
Jacqueline Heriteau, 07/09/2004
- Re: [gwl-g] Black Spot Resistant Roses, Doreen Howard, 07/09/2004
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